Bicycle holder for attachment to a vehicle roof rack



FIG. 1 is a top plan view of a bicycle holder for attachment to a vehicle roof rack showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof; and

FIG. 6 is a rear elevation view thereof. 

The ornamental design for a bicycle holder for attachment to a vehicle roof rack, as shown. 